<template>
  <div>
    <!-- 面包写导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图 -->
    <el-card>
      <el-row>
        <el-col :span="8">
          <!-- 搜索框 -->
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <!-- 添加按钮 -->
        <el-col :span="4" class="ml10"> <el-button type="primary" @click="addGoods">添加商品</el-button></el-col>
      </el-row>
      <!-- 数据表格 -->
      <el-table style="width: 100%" :data="goodslist" border stripe>
        <el-table-column type="index" width="70"></el-table-column>
        <el-table-column prop="goods_name" label="商品名称"> </el-table-column>
        <el-table-column prop="goods_price" label="商品价格(元)" width="120"> </el-table-column>
        <el-table-column prop="goods_weight" label="商品重量" width="80"> </el-table-column>
        <el-table-column label="创建时间" width="200">
          <template v-slot="scope">
            {{ scope.row.add_time | fm }}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="150">
          <template v-slot="abc">
            <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="deleteGoddsById(abc.row.goods_id)"></el-button>
          </template>
        </el-table-column>
      </el-table>
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[10, 20, 30, 40]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 获取参数携带的数据
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      //   商品总数
      total: 0,
      goodslist: []
    }
  },
  methods: {
    // 获取商品参数列表
    async getGoodsList() {
      const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
      if (res.meta.status !== 200) return this.$message.error('获取商品列表失败')
      this.$message.success('获取商品列表成功')
      console.log(res)

      this.goodslist = res.data.goods
      this.total = res.data.total
    },
    // 分页相关方法
    handleSizeChange(newsize) {
      this.queryInfo.pagesize = newsize
      this.getGoodsList()
    },
    handleCurrentChange(nepage) {
      this.queryInfo.pagenum = nepage
      this.getGoodsList()
    },
    // 删除方法
    async deleteGoddsById(id) {
      const resStr = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (resStr !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      const { data: res } = await this.$http.delete(`goods/${id}`)
      if (res.meta.status !== 200) {
        return this.$message.error('删除失败')
      }
      this.$message.success('删除成功')
      this.getGoodsList()
    },
    // 添加商品
    addGoods() {
      this.$router.push('goods/add')
    }
  },
  created() {
    //   调用获取列表的方法
    this.getGoodsList()
  }
}
</script>

<style lang="less" scoped>
.ml10 {
  margin-left: 10px;
}
.el-table {
  margin-top: 10px;
}
</style>
